It's used as an adjective to describe something being awesome, legendary, or ridiculously awe-inspiring. It is usually preceded with an event that is unforgettable.
"Yo that movie 'Dark Knight' was ShoMoney!"
"Did you hear about that billionaire?! It must be shomoney to have that much money! "
"'How I met you mother' is soo shomoney."
"Man! you were so shomoney last night at that party!"
A large eyepopping roll of money consisting of one large bill wrapped around and roll of one dollar bills.
Showing off what appears to be a large roll of cash to decieve those around into believing you are wealthier than you are.
Not having enough to impress the stripper into coming home with him, Big Ben whiped out a roll of shomoney knowing he could never have her any other way.
Big Joe is always showing off his roll shomoney to bring the old gals looking for security home with him. Little do they know show money means NO Money.